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42986112 = 2731379109
BaseRepresentation
bin1010001111111…
…0101010000000
32222212220212020
42203332222000
542001023422
64133201440
71031242641
oct243765200
988786766
1042986112
11222a0114
1212490280
138ba0a90
1459cd6c8
153b9195c
hex28fea80

42986112 has 128 divisors (see below), whose sum is σ = 125664000. Its totient is φ = 12939264.

The previous prime is 42986107. The next prime is 42986117. The reversal of 42986112 is 21168924.

It is an interprime number because it is at equal distance from previous prime (42986107) and next prime (42986117).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (42986117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394314 + ... + 394422.

It is an arithmetic number, because the mean of its divisors is an integer number (981750).

Almost surely, 242986112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42986112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62832000).

42986112 is an abundant number, since it is smaller than the sum of its proper divisors (82677888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42986112 is a wasteful number, since it uses less digits than its factorization.

42986112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 206 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 42986112 is about 6556.3794887117. The cubic root of 42986112 is about 350.3020847740.

The spelling of 42986112 in words is "forty-two million, nine hundred eighty-six thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 79 96 104 109 128 156 158 192 208 218 237 312 316 327 384 416 436 474 624 632 654 832 872 948 1027 1248 1264 1308 1417 1664 1744 1896 2054 2496 2528 2616 2834 3081 3488 3792 4108 4251 4992 5056 5232 5668 6162 6976 7584 8216 8502 8611 10112 10464 11336 12324 13952 15168 16432 17004 17222 20928 22672 24648 25833 30336 32864 34008 34444 41856 45344 49296 51666 65728 68016 68888 90688 98592 103332 111943 131456 136032 137776 181376 197184 206664 223886 272064 275552 335829 394368 413328 447772 544128 551104 671658 826656 895544 1102208 1343316 1653312 1791088 2686632 3306624 3582176 5373264 7164352 10746528 14328704 21493056 42986112